diff --git a/src/Symfony/Component/Form/Button.php b/src/Symfony/Component/Form/Button.php
index e7b553edcc..6055db9b7d 100644
--- a/src/Symfony/Component/Form/Button.php
+++ b/src/Symfony/Component/Form/Button.php
@@ -194,9 +194,7 @@ class Button implements \IteratorAggregate, FormInterface
      *
      * This method should not be invoked.
      *
-     * @param string $modelData
-     *
-     * @throws BadMethodCallException
+     * @param mixed $modelData
      */
     public function setData($modelData)
     {